Home / 53,383.78-73,663.23-29,507.21

Finding the Fourth Proportional to 53,383.78, 73,663.23 and 29,507.21

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Solution

The fourth proportional to 53,383.78, 73,663.23 and 29,507.21 is: 40,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,383.78 : 73,663.23 = 29,507.21 : x
  2. Step 2: Convert to fraction form
    53,383.78/73,663.23 = 29,507.21/x
  3. Step 3: Cross multiply
    53,383.78x = 73,663.23 × 29,507.21
  4. Step 4: Simplify right side
    53,383.78x = 2,173,596,415.46
  5. Step 5: Solve for x
    x = 2,173,596,415.46/53,383.78
  6. Step 6: Final answer
    x = 40,716.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.